CVE-2021-20125 File upload in Draytek VigorConnect
Unauthenticated attackers can upload arbitrary files to any location with root privileges, leading to remote code execution on Draytek VigorConnect devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-20125?
CVE-2021-20125 is a critical vulnerability in Draytek VigorConnect, published on 13 Oct 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An arbitrary file upload and directory traversal vulnerability exists in the file upload functionality of DownloadFileServlet in Draytek VigorConnect 1.6.0-B3. An unauthenticated attacker could leverage this vulnerability to upload files to any location on the target operating system with root privileges.
Which versions are affected by CVE-2021-20125?
It affects 1 product.
Products include Draytek Vigorconnect.
How do I fix CVE-2021-20125?
No fix has been published for CVE-2021-20125 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-20125 being exploited?
There is no known exploitation of CVE-2021-20125 in the wild and no public exploit code.
Other vulnerabilities in Draytek VigorConnect
- CVE-2021-20123 Draytek VigorConnect Path Traversal Vulnerability
- CVE-2021-20124 Draytek VigorConnect Path Traversal Vulnerability
- CVE-2021-20126 Cross-site request forgery in Draytek VigorConnect
- CVE-2021-20127 Path traversal in Draytek VigorConnect
- CVE-2021-20129 Information disclosure in Draytek VigorConnect
Sources
Also known as GHSA-j2q4-4x34-58rx.